218389640 (number)

218389640 is an even 9-digits composite number following 218389639 and preceding 218389641. In scientific notation, it is written as 2.18389640 × 10^8. The sum of its digits is 41. It has a total of 7 prime factors and 64 positive divisors. There are 74654208 positive integers (up to 218389640) that are relatively prime to 218389640.

Interesting facts

Basic properties

Name

Name two hundred eighteen million three hundred eighty-nine thousand six hundred forty

Notation

Scientific notation 2.18389640 × 10^8
Engineering notation 2.18389640 × 10^6

Prime Factorization of 218389640

Prime Factorization 2 × 2 × 2 × 7 × 5 × 409 × 1907

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 54597410
Product of the distinct prime numbers

The prime factorization of 218389640 is 2 × 2 × 2 × 7 × 5 × 409 × 1907. Since it has a total of 7 prime factors.

Most popular turbo-numbers

8, 7, 47, 79, 281, 793, 8789, 8235, 81385, 74123, 434708, 653012, 6522996, 8669829, 83237731, 90187177, 949177526, 182053681, 4475386876, 7332437162

Basic calculations (n = 218389640)

Multiplication

n×y
n×2 436779280
n×3 655168920
n×4 873558560
n×5 1091948200

Division

n÷y
n÷2 109194820
n÷3 72796546.666667
n÷3 54597410
n÷5 43677928

Exponentiation

ny
n2 47694034859329600
n3 1.0415883103076E+25
n4 2.2747209611629E+33
n5 4.9677549180883E+41

Nth Root

y√n
2√n 14778.012044927
3√n 602.2045198631
4√n 121.5648470773
5√n 46.542146245699

Divisors of 218389640

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 409, 818, 1636, 1907, 2045, 2863, 3272, 3814, 4090, 5726, 7628, 8180, 9535, 11452, 13349, 14315, 15256, 16360, 19070, 22904, 26698, 28630, 38140, 53396, 57260, 66745, 76280, 106792, 114520, 133490, 266980, 533960, 779963, 1559926, 3119852, 3899815, 5459741, 6239704, 7799630, 10919482, 15599260, 21838964, 27298705, 31198520, 43677928, 54597410, 109194820, 218389640

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -218389639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 218389640 can be divided by 64 positive divisors. The sum of these divisors (counting 218389640) is 1, the average is 0.015625.

Base conversion 218389640

Base System Value
2 Binary 1101000001000101110010001000
3 Ternary 120012221100021012
4 Quaternary 31001011302020
5 Quinary 421401432030
6 Senary 33400503052
8 Octal 1501056210
10 Decimal 218389640
12 Duodecimal 6117aa88
16 Hexadecimal d045c88
20 Vigesimal 384ie20
36 Base36 3m0uiw

Cryptographic Hash Functions

md5 c3e47fe6a04d12354bdddcaa93e60c13
sha1 0922f0ddcc1f175699f1478f799b76934a9c6ad0
sha256 53c3c466c280f7bdf1adde3e2d49d7c3b6a416c0a0b3e0336a040b1331f68274
sha512 ebca18542b87e69208058031f9676534444c52c6019d20589e03b0e3d0c4bf82ccb0e6edc3eb92abf3ae22d0d8c5e4b722ef3389059c68f4ef925bd1185b385f
ripemd-160 a7b9e2c63fd3cb8896ddfb27b05cf0c3c3df6760

218389640 as geometric shapes

Circle

Radius = n
Diameter 436779280
Circumference 1372182577.2882
Area 1.4983522953413E+17

Sphere

Radius = n
Volume 4.3629949116367E+25
Surface area 5.993409181365E+17
Circumference 1372182577.2882

Square

Length = n
Perimeter 873558560
Area 47694034859329600
Diagonal 308849590.76978

Cube

Length = n
Surface area 286164209155977600
Volume 1.0415883103076E+25
Space diagonal 378261952.32668

Equilateral Triangle

Length = n
Perimeter 655168920
Area 2.065212289858E+16
Altitude 189130976.16334

Triangular Pyramid

Length = n
Surface area 2.065212289858E+16
Volume 1.2275235957053E+24
Height 102949863.58993